{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "882074372",
    "entityType": "User",
    "nonce": "0xf2a7f829901c59370a6ed453b60e3c986df813832b18bb444be48437e5e9173c",
    "signature": "0x07f54e7a1dc01e79b6994b7daa6fee018eedf7e1dec3389fbe961941badd6da30aff71eacb496d83c6afd014cec427954fb2bd0e669e7eda80cf43edf43f18061b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}