{
  "manageEntity": {
    "action": "Delete",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xd4b4d0ac894cd6ec06e99fdbd7b925e233e06ffb75f56ded86b72714f385025d",
    "signature": "0xd3ed855aeb42a0a2e719e18c123892c095812a7d2df5a7b270def9ca24b6d6e004f3ac3520bee626ee25c5d7a43b6cd73f1c45f8d13ff16a9ab3c7828fda461d1b",
    "signer": "0x8BB32fb3Ab4119262824C8679aF332559A0C5bdf",
    "userId": "390149336"
  }
}