{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68301",
    "entityType": "User",
    "nonce": "0x3257259f9b8e0657def7c5bbde6eb51734c502e7f7e33e83a9866822e12946f0",
    "signature": "0xe8cae2b3ba2272da11083a3317bde645f16282293c7ab943366780ecb58ccd2076e3872ac03dc07e2829286ed6bd88caf89aec9446ef8b3882639a8374fc49411c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}