{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "531273555",
    "entityType": "User",
    "nonce": "0xe982c5bc1e6a9d3cfcc4b5d26e7e5b7b8c140b1136b838209d1e406c46fc4200",
    "signature": "0x91b1705e37e6932332317d1009bb4768613ef650679fbad7ea300407c63ad89c6d5f0720c2034c727c7f13392396fa22cb63692fd23570bb3ae81251cb2558fb1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}