{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc045ac899f7c78afc3d68c2be05e87b3f0147718c04ece7e43376a5a0afcdbbe",
    "signature": "0xac3bfdc949156b976cbd62db583b9b392a8b30313388ecb6a9215eaa4c96ca6675bec96fbf29a75ccdd55b7365656d76a4999a29613aa0f67fb89c1f93f4d6061b",
    "signer": "0x05879c5e12AD06542dCf5d3192dDDeaa2faa3754",
    "userId": "445555"
  }
}