{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164812",
    "entityType": "User",
    "nonce": "0xa658ba73d4f3cd6b3e28f630dbafd46ce025b3c96e1603edcf0f5aa012af2e3d",
    "signature": "0x8512d50bab0bb50d592d6e9d963c5478627b18ba3daa9955932d650c8d0f739646c43a306db204ae913983f8ac90c38cedffd2b53bfbb1cc9267d130d50fabc91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}