{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x1309d3716fd082ec0419a19a3711bf7607a7f70f24cb3385179e0ebfa4b0ff00",
    "signature": "0x55e2e582b5d3896bf8f1d465e3b12530e25d303951bcb9b90103c94ac1cee73e4c28e3402b4b642e7254819c8c33884496cc449db431dd70fac30641c4b90c931b",
    "signer": "0x6Beb82CFf83fe11cd0EA107d0dB243F12381924e",
    "userId": "580711973"
  }
}