{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294007",
    "entityType": "User",
    "nonce": "0x009ac8d063c7a23586bc3d6e35733057501474f31a3a609865108b8a8047cd8d",
    "signature": "0xb9491026c182dd969cf02a17c8eda00bdab52a9f3698f72169b1d7d940f613503a9cea5036f45ea3005371f525ce69d3dbb16960cfb013745ad42f2b2ec243d91b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}