{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x7dec3f7197e48ba68ac4c5587417c9ea0af6bc8bcadcd1e85005c2b1f509c241",
    "signature": "0x677e1140897b7da1d453e011a1a9d70e33391cae358c66789c2cd9b96769df0a149c30f084700057fd7a03f8273a7cefdda1d2aa3b80056c89eacb91f2dcc7c71c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}