{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827124668",
    "entityType": "User",
    "nonce": "0x5e399f019e8494e0cd373032519b939d14c65f021a2425675234ccf335b304e7",
    "signature": "0xd65c59fae880976429c44be731fe3716542031d18b7122b09ce73bd7a1ec36ec2561a149729c3f5dd517f94da8c6b569db82206e53d4a71fe545a2295158f2bd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}