{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841848490",
    "entityType": "User",
    "nonce": "0xda882da8fc9ae504bbec8b6d6bafec0cb00c5f1df14aca32ec254a7efb452279",
    "signature": "0xb8bb6e7b1dd5c4fea28996c74b51cdf4368ff7a65bd786b43eac22256168730a06d5cfaffb3171b6674b09e26542a6243580e0ee052cecb705b5be21b54f99de1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}