{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd0c36b147dd10757eec03d6fdd24d32970b8afbf6c77f6208609df62338153e4",
    "signature": "0x4f1fe01ae6d3c6805bf315999cd3d9bebe52375cb9dc78da1ded1dceff7d7b755440b5fc8993ca6af233fcc095eb2aaed77ff177d7936e79e0627ea9990767ee1c",
    "signer": "0x79770FD07793ad1DfB304d64f0605418795fc311",
    "userId": "556468587"
  }
}