{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x82d82fefb8f5c6d375f2321f4bd57c91bd5683e42d4830ef85457efc7686cd31",
    "signature": "0xf9da4e135013a57c56e796713a9d7afe37712b6a9e0ff157f390d0a5d3c93fbb396f97670db8e4d5bdefa9188ad5f9a1f0619c634c0e3a3eceac60367cc1b6861c",
    "signer": "0x7d1FEeC34816D71316018998A2768f4E8230A89f",
    "userId": "840199643"
  }
}