{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x3a9c76c0adfd9b158d05a3aae1984e94bf49834cf081e024de56b867193731e2",
    "signature": "0x2652a11d93ff218c246407193a7bc260c8530c9ff50c6a820ae18bfd1d1527162331fae55868ec6f53a59f60b6021bb304824534f5ed1eb79ee784835c348d261c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}