{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297334",
    "entityType": "User",
    "nonce": "0x93f50970953118c72d63fef5556cc7c08e22687d2304ef931828d970f41635a8",
    "signature": "0xc05053356181a73fe66952f6649cef797e7f4c24aa931e0c99dcf14031fac066322fa6d15221590d9e66597d9549ec8682cb21c3ed4d23d07554f230cbefa31f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}