{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195469999",
    "entityType": "User",
    "nonce": "0x8f2faf790e63bd086fd7ae12284da8c27d97447bd3c4b20043fb5e5cf58f0496",
    "signature": "0x87933866c7e37b3f69a42c0db685b7fc4b6ef3184949b5873d268d3b091b0daa6fcc0352cceba378e7bd8275f37ebeb3186581ad2506d2aacd0b58e350c51d471c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}