{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x2826ce21fe17370a00f6f73a04403834305a007c9c772854e9e3c31218d11ed8",
    "signature": "0x529bf2d331abcf70946675e71923731fd68770aa1b40d7e4d1a8426fc7fe2c113f47eb730ecca092fcec91801b55451b2d24248d13c7c85f333e5fa5dff2066b1c",
    "signer": "0xdD3D3A7Ff937141654da2491E97588BF0fFBA291",
    "userId": "837737845"
  }
}