{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xabd972d1b2c85ab89c223d490dbb14f1a5a219382c0fa38d73574b7ae0a729ac",
    "signature": "0xeda4144eb380f842679207fe6b01fb2ebc7649b3044590b122f55f20e861ef5e780aa1a2d43ef3f47f86d0e7fcd808788cb29e16a63205a78c2a50735b3f580f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}