{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "874050367",
    "entityType": "User",
    "nonce": "0xbc25f292cfefe6260b5f973d22a978530bf9200f93245165099cfd62dd4ce5ed",
    "signature": "0x480897ca56e5da2f91939433eb71ad672214d1479250a2c2c7d17afd9138c8dd485135ce43da6c49fc42afc3ad55e40808f8f68c26215f3208bdc8ce45e3cfb51c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}