{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83745",
    "entityType": "User",
    "nonce": "0x97aa80de6f6426fee4a49e10e867c8f09fc8032adf1d6f33ded16153bb16d9fe",
    "signature": "0x227f8ca391232b1b8faa07d9838c57243e7de82dad83066c8a06bf3f884da9006a68eb12f5294ee76092521047a8a6695ef17b09177933dabfeaed37c51a41aa1c",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}