{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0x0908f2737d181cf9e0ca4426df33c5c53f9251cb4ffd017f5f97303b0690d706",
    "signature": "0xcbe25986b7bfa96585623d90187bb9e53a881c0cd1db7c1df258b4b5f0d602772881a65ea640bd1be16c25deea9540eed4a49f453abf7ce42c5d6b0327b4bd201c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}