{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1320956",
    "entityType": "User",
    "nonce": "0x96067e872f080119a68aa65d83fe70bbc529f1c0acb5f226d8e8e95632620339",
    "signature": "0xee3a0ebf866df18908642c58dab90f377a7b1b7e4958018c565a3f7c7684ccee56697741d36b5cdbe5decad2a1fe4f4febd3c828a61048e75fbbe0ca0901ae551b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}