{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x6c12ccffe9b63726d77d75e6d389acfc30876c867a83043e5a5236cff510ae8f",
    "signature": "0x929d4ee7e22879de92d80f17de9a122dcab8e36a015a43fadd03c159cb6653ca10db0590b9874340c6772f755b0c54673670a93b5079360a79eda0eb0152efeb1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}