{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241147",
    "entityType": "User",
    "nonce": "0x396911a798507f89be60f8889e11a2f959ab1e4e158010fef29ba137521b6edc",
    "signature": "0xabe5fbe13aaae6f2ed749447d5a44c3ff5dfb8fbfe58ddcab14aa169fcbc37114cd55070ef86526a89cae28802ed83aa3c20e6c29f89a473fe04417ff433f5171b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}