{
  "manageEntity": {
    "action": "Update",
    "entityId": "430021018",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xab8a22a04936d9ea3c66ea8ccc8eaedd192e3ebb9288398403fbf2ca46d90140",
    "signature": "0x0ec11bc9b828da0d50b214c19404cc51777e7fee4d69f849d1dff587834722123776304868089ad555f88c925de6a34781ef9582197f0c56637a424b94841b191b",
    "signer": "0x0DA54f5CCb624226ab4dD99D320d519F2768C28c",
    "userId": "430021018"
  }
}