{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x44d8afd8123f28659dc51d5a4b7a0bc475fa46ff3805f92c2a1ac04576aeded4",
    "signature": "0xdbd1b691b5748f4432fa4e44a6f17cd2674864f8edcbddea1e06dab96f32d870428c29196978476927fc307a456bb9cef6d756e5f6a99814590165d66c74f3be1c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}