{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254245",
    "entityType": "User",
    "nonce": "0x86f47a46b53e521de0ae96492b1ff39c7752f736209f09b0f15121e24da5b242",
    "signature": "0xfdc4b5ecae8c9cf197903d3494d7ea768f78f479b27fbee7a5ee14ceca2ab915619ead573a66565bad7277b5a453935a070143e711757a072630e2d4e6ca3c951b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}