{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "289992",
    "entityType": "User",
    "nonce": "0xfb4df8678ed2f920c37a2b874d3360a466aac7fdc9530dd35d6f7e6aa533209d",
    "signature": "0x89ca796d0299ebc4e29cc7dc5717f67520f0bcc2a98f4a124fa46c2a95d1dd1426fe81f4d48117751227a99875d2654f869abc2d4caa210df1587387f7b5b19e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}