{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0x0b041651576dbceeef14ec1873a74e33174a179c20b76f6044e34f1fb1b7245a",
    "signature": "0x0367741441647b9a608832c9100ced6b0da759ee38d54ac2d164cf396a90c6096369ae83bb1f295cd92c9996d6f4f1a488b45c15e1821db57cf0a4b4b03c3ae71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}