{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x04cbac921569e4c8151f2729adfce01b9a96213fc46d8b9a69b958a85eecfc4b",
    "signature": "0xfadc1cfc92cedd9fdd55d83b6181e039a9bbfcaf59919585fb419351518078a11d92599df645dd74daf18654932f135a7d8f68954334a480a7927f11b29adc221c",
    "signer": "0x056bfeF3e65995E8DBe80c8C27F93Da4e3606A85",
    "userId": "147374684"
  }
}