{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103375",
    "entityType": "User",
    "nonce": "0x32a0cc2ec2ba630ccb51c32da1953af6ed1ec4d884d9c211b44400e480393aa3",
    "signature": "0x0af3cb2bcd3be2543ff4fdc4bba2b966a2c71d0b15c7a88a391c9ca1c00a45365d6b239be9aa75a960f80073d6a6bd353d0732c6158d60e451d83fc9bc5153da1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}