{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0xbe226a946b469d4c3df59246484d32125897fa1dfa36f7dee604716512c65f7c",
    "signature": "0x5aad0812f5e325f79b14c22f7dfdd2bff62708a3611ecb812e89e7651eba938956a50eba8a61561435c1b4c3e35debe531dc48f959b0dff9d7e9250017c80b321b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}