{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0x0383fcc0a9251c7b4c6165124dc3c97a56b4ca65bfc1910f456942b389d6dcd4",
    "signature": "0x07d85223b53918cbe61fce1507ae0964d51a8170ee0fd29b0507c53173c53cf8728bd4e1097bc7a675ab98eec8ed6216d7d6069ffc6cfe52e067e0ee9f88239f1b",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}