{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf35c20827ae528cc673328c50e43914c531ada9f31b515c9a6e5781a05554764",
    "signature": "0x1e2a58c9bbabef74b03875607db1b2824ededf2a04411048d9646c36f5fde5256f937a13c12afae8127a2995d428dbb67682bb83c8d85c1a354e7f1be56c49f21c",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}