{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0xfeafa7bf8331fad1462cae8eb0072c3b03a7fab7672617b0146c94d9e2af8e24",
    "signature": "0x6bf6a6b95bab81ed4f2907115fbacb8c8315c5213cdec7ee55575c8791526e1102f336c5bfbc96e44258a74e6c4852cb6ff534aefe4135e9ce87846fe307239a1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}