{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xa4b71bae3c2ef9d2222acb94e1b2b6d89f97fb833e3822736bebb28866ae0a0a",
    "signature": "0xb27343a2e815f7106e8659ae97e7d0f1e9382ea74492f3c75e1b4c1d1984ee1e2d9038f01660ae68aacd1aab8badd87a6594960ffe568b6400c529cddfc575a31c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}