{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1769",
    "entityType": "User",
    "nonce": "0x90f2fe747478c6df72b6b5ea13227086318fa76de91ec68191c64fce2ca0f8b8",
    "signature": "0x91c709f5eaa2e16b05d3f21a8ffd3f575b2e058886513ff7802ded47082d26f76b745ba8f6f1814e55952e1408f461f59ccfd36bb7579cc77de465664467f69b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}