{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "489783610",
    "entityType": "User",
    "nonce": "0x159d662082d87004814d30c3893a792956d6241fac42ae7224c39cbea9b62329",
    "signature": "0x184ce173311f838f922b2cd61c0d47d386f7c56e7782dd1719ef69d13b32d295427f066b6e65ffc3670223d8193d21516c3959747c6ef72a20760269cef529031b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}