{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7910",
    "entityType": "User",
    "nonce": "0x7d7433d52079b8735b8adf56a65d796a4c0db4ff98f65f674179d385506a365a",
    "signature": "0xe23962229995af1f7bd7356b5295928a3bb7249a7fdc1b53465c0796c694876d49678e12189b1a21bc9598ad4e6c914a55cfcaf0d54cdeb2112e21273b8c60d91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}