{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x741e36d79a793e4aff36a766964f74ca7794d6e0bb4a94a9e653735701143711",
    "signature": "0xa15f0c21439a9ae0a3321db7bfd07946aa8f0b76e9144fb6bf2aa591ebe584754c9fdfaf22864ce3404ae54bb76cac77698657963612855c256475bac0959c611c",
    "signer": "0xe53b7523A8cb357D91c0DDF6C1FC39fe6b6D22a4",
    "userId": "76259"
  }
}