{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232897",
    "entityType": "User",
    "nonce": "0x40f93b10d68ff8cc70750c8519db9efa7b091ca753aa7411b71ad5c71bf22517",
    "signature": "0xad3d00196db343a22cfafa28370eac1ada9b77c63a787a1ff26e4e52c19d29cf5ffa8f248f8077353348a0aa5d609dbd3abba7774486acd448d4d6d3daedfa481c",
    "signer": "0x5d38Cb184274A585dC79f62FC669Eca2c573005D",
    "userId": "867710486"
  }
}