{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89874247",
    "entityType": "User",
    "nonce": "0x1ef35d0e8db9c1686a05a39f89190c6fd1d285e85cdc3a0c0b83824effd4ca8e",
    "signature": "0x51529f33b2015ed12544a300e340fd1f35c3880c8273fa8ed4e06016a27e32e82976fac1a516a7448d2825b6cd290726a419e95de06925e243e4200948c427ff1b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}