{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x24f2bc2483bcdf105773d646f499dd071a9f700ebd984dbce16ccb0a9bbbe007",
    "signature": "0x319070f5e697ba255b3661dec57112d8ae8b3666b6f3466bf65ec92c3eca4a0f3b1be4ecd1a4f64648c4da6f3b25423c63c6adf6d3b48c428d421e0efe3d7d651b",
    "signer": "0xE9aE64f82f2A4c334A3C32aCf5677fB887230a19",
    "userId": "458084256"
  }
}