{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451786021",
    "entityType": "User",
    "nonce": "0x0bd7963a5038ec52fe0d8074d7331d13033063572d40abed86626c66e343a885",
    "signature": "0xdc52159a2b37f88e463fc5d9ba7b143451fd1017534ed0b5f333d901610b4f360919773b0048b1a59958983f00dcdd76bb265cf8d045671c75a69eda51a66cd81c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}