{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x664efda36a4a58440f4f4a1a99eedf17abd6133e7c7c1054a394f7fe7f2450b6",
    "signature": "0x1d1b68129daae78f14e38ad1190ae01ee437f48ff05f4c4cda3854bb3967469f70054c9620ea6a3c941970659fd4f235b24215b33382c42badab4bfdf92ab3d91b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}