{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38166",
    "entityType": "User",
    "nonce": "0x272c91db7b3fad76aa7db82cb1960e08bd40c05836523d25c71b8e80e44ac6f4",
    "signature": "0x9b271088b4b47c581316072e51663988b569326f6512c2df466ca8f2084023e00f53f4623a14615bd663301e8adc07afc7b3f8868d88bfab1008dd7d3d92a2101b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}