{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239390",
    "entityType": "User",
    "nonce": "0xd95b2c16eae0f3c2f839544dbda4e41e4fa4c819fe1b08e92fe7dc8a1113c789",
    "signature": "0x86bd7706086f14399157b6855b7fd4a3ec4fc503a57e0442ebdb79616160734a38406f8f1d20baff6a60e3690340fd95e1b55ac699bde3e889848f7049d9e2561c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}