{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x71d0560f0f5970745fba0c1e7fedea5b93c775b303a1de1fc89ccd338cf7ab3e",
    "signature": "0xcace5643e54acc7ab0ee1cac0bf9fd9c92e54bc9021eef0e9818eff4fad3151c4242292453d917e014a47c21dbef46d87a5d2f77423002155e981fada253bd641b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}