{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xe8ed6fb547ed4ccf6aafcef5aa4c8270ee25a9edee9da7781a069eca22136dba",
    "signature": "0xc7790ab43e464284e4491f778d5598fc310e6bdeca81e17541311cfe17d597870283b69951bf74994a27256ac0a616d7f5a1e773277e96c81da6367e56b225541b",
    "signer": "0x01cC8C450C0e5cC37F78327bB548220F4E7AFF70",
    "userId": "482693489"
  }
}