{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351661",
    "entityType": "User",
    "nonce": "0x9646e24d9dc41200a61936e8583cff1ad07241f2ab6311d587b3c175f8c9086b",
    "signature": "0xc2830678653e62bdc831dcc176a0d70fe480ea939e019f3a36330c3b303b4ae424fb759e52ce1098035dc81089b7c31d9e595bfeb561562c033d11836eae39781c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}