{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x389ac5b1e041bcaa18f0cacfaadff054d24fc4de16d72d66540092a26b6e27d5",
    "signature": "0xd40699dfc98ba15088627e86addaeb5b380182da86ddd3aae99c7d47b39e12be7f742d490bca2dc2c56a2ec845d3353d2eff658f0ca1bbbc717e825cca22231e1c",
    "signer": "0xD33b92e666A00c869dFf28d03d201ba582cB2c61",
    "userId": "585499609"
  }
}