{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760764",
    "entityType": "User",
    "nonce": "0x324abb3d6f08d2652e9fbc14a49aa1114c5e4e515cac5e15fa7d16c837b6c118",
    "signature": "0x9e30d125b4288d2155ff2860f36da186542d0cf98e293cd67fc99c3a816cae5e63c122fba75775c11ea4f1107eb047511c78e8032c2f34e94e83124186bacaf91c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}