{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x0648ad77f6afb0213bed51c38df886e4aba1d4fb4fcb3861d53a5dfdc243445d",
    "signature": "0x175f129190f66b229c624c8cc6b4e3cbcc0844c7efdd8b06b499c46fb9035b087923d2319cdc3eec1f33186032de0f9c566f5dfe4b39880d27193f84fa37e2a51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}