{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51547",
    "entityType": "User",
    "nonce": "0x341065e437f01c72cd1890a2e95fc2367d0002c259cb7a2cd4059f1bcfa697d1",
    "signature": "0x892f867cf847f46f378f2b742d1671bd73c539ef2f1a8ee3a6310254fa8ffa4c6d0dcdad9aaf065599e57db2982f03ddb97bd4bdbf0357d3638dfde7ab221a4e1b",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}