{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186824",
    "entityType": "User",
    "nonce": "0xe2ebd51a83dd2d9a6ad60d0919700a667fc7b667a8619b4067148251b0c54626",
    "signature": "0xd4f8abccea9641d1c2290b671b9b99ee37dd8e0170f20c3d0f7de5627959a8b1583c80629a9b7e33c137260755194339fc581f73b204ff263344a467e8beefd71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}