{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x353ab44931932bc37a5554165f98a9c04f2b67fd65471b20044463b8ea38102f",
    "signature": "0x331ea7f212db36f48fdee51372706cf4c52746014070712f1aa4c8fe7a272c056444917e6b4851947681dafd92b8945b17762759c40353996ccaf7b7cad6334c1b",
    "signer": "0x036A0606fb0DaDFB181c70B49a2bA0D1b179615c",
    "userId": "793829649"
  }
}