{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8654",
    "entityType": "User",
    "nonce": "0x13588c409f791bda0fd5fdb4bd9aecf65379b6caf126423dd9bfc80bf130d881",
    "signature": "0x4a2f06d724e321054efb748e4548739806edc6730090025673cbe22c7f59441e1931dddeb71c4a108f7f5d744f1b5523d6f29e6cee3fc27eaf95e666b16fa4c41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}