{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "489026160",
    "entityType": "User",
    "nonce": "0x65106ef15e54516f12c351179d32040096e5442e66df52c564ba12065acf4088",
    "signature": "0x75c20384b56d27f278fd242da333d79981e0ce688bf8ba943e09a896ab30fef9221654566e34e7b4c3371527d21476a101c39238de8562deaaecb6a96a796a5d1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}