{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x46ff3d535445463ece867ccddaaaf43d5c63717a9125e18b832a82585b3a4f2e",
    "signature": "0x52830a3a1eaf1d0c18154ffb068e322a2f43428a488a9b8c67dc0cf76ca4d5eb660a4debc721cd19b897b686ad8b5be5a5efa19031f4f1aa834518d0ebcf59241c",
    "signer": "0x51f33142463D1D60127775c0D3E2e39BCF7D7B6C",
    "userId": "417842691"
  }
}