{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xeac744dc96b1fa9573ff676c48ae2e3f5591e74b6da1937116b8bc4b8313086b",
    "signature": "0xdf457b433e3122274b022478ded312d5f433d3c5998039f48c3eec16d852d94e1d68b35b26dc8754c43e77a597e146618549e46f70efd8e2c628335d6855e3ab1b",
    "signer": "0x63C6767Df34c1B9466f4a36d526F00E2bFe36C50",
    "userId": "585468049"
  }
}