{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104812",
    "entityType": "User",
    "nonce": "0x9be896d92fa51dcf70d6e2a508ac4035154b90c396d3f258cf0cfa6696d28ccf",
    "signature": "0xd9863720397cc6c8ecbe81304d52463fe949622784a648f5a941806e228e6c2764167ea1085869b3274649a3921562f6c9c484547f13b5ad3c5959ab762b155b1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}