{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "588",
    "entityType": "User",
    "nonce": "0xfeca8e7022021389b3718243f0deb14ee5cc2fee9c1fa741a604350f614f30ce",
    "signature": "0xa67f6ac3560aec094416919c2bf2f26f7b02fcdb73c24c0328e8ed8fadc4bf343b3c295afd4197cd5fb765b7e26d69d03c634b3422ce64c3e46ada5e1dd755141c",
    "signer": "0x18be9307B2841623751D878Af57061446fDD873a",
    "userId": "62955"
  }
}