{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224201098",
    "entityType": "User",
    "nonce": "0x735bd5c598694d4f77fda0bc2e723ce01bb4a8cbbcab8dd6c37c504b2be01277",
    "signature": "0xb6471a8ecc9cb574c227d2d7c959f914bd0879232cf0b06ca47133536a80aaa44a302341e8dfd819b12fe586a41a3b7a3876b59a5aa494ca6a2c93d10e0a63391c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}