{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238516",
    "entityType": "User",
    "nonce": "0x939edc079e958c87db38e69c6b3edf07de555444cb48fd165622f8e992ed96c9",
    "signature": "0xc641c396981667419c73e909f32900a853db35c173abadcb946423f9c6dd70d252d3195192d649e255f81bbea00b057997693742839a6ce2c0f8f6841cc19a691b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}