{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156664",
    "entityType": "User",
    "nonce": "0x0c5deba818b455f094c83953e0e2b9d5d09a9177ea005ffc0ec8a5eeaaeba804",
    "signature": "0xbe56d3940263b952d2b6945d03ac3550d9b62ed1d49a9596e425c920c951004065b7c29b68148c93595f9cb372f70a5502505052011963eaf97332c2ac0676d11c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}