{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xa0f9cd8aaa4f31a952786c70201c00c8352e2fd9\"}",
    "nonce": "0x1f1490c4242eacd4d7336f50bd4217fb12e310f6a61bd13ffd71f1bd163bd41b",
    "signature": "0x8d5453f1d080e4bf5dc1ae4b3899fc7e07709df3a634ba8d224569f6087f7af4192aba93a27916e440ca167b44c52cce9b5ed07f3808b9a7e1dea6fd1bbf48301c",
    "signer": "0xA80332b4698160265020755bfF42AFd8F2EF7A28",
    "userId": "5120342"
  }
}