{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xfc1b59093f8bdd0841cb3282bfdfb8346509dab164435ee56f583b62fe01caf6",
    "signature": "0x886132e832106658b4ccef1fcff6178422b27c18fe17a59a478edb7de8b705f31a85d7579e46fd22259c4138bb8ec8f75a9a4dd216d7efde22dc6b38f0b1b1761c",
    "signer": "0x15c09392b3d192e71eE5b8c7648fCf318fe1bD7e",
    "userId": "68375"
  }
}