{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67824",
    "entityType": "User",
    "nonce": "0xd265dd46d8315a4e0c9c89a6e9bc9f3fda9f0028850022ac705378138b5ba8e6",
    "signature": "0xa218887a11431cfd9c5265c4704bdcfa829854d0f94f4094edd37dff780d58d679d2c21d2c9f35c3ffb2b9ff734660c6425fb9c3aa78c94f585fcfb4f2f523421c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}