{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xa73c2134a2f013a147958d4c2732981169fcbb42f25352382afd344adae0d135",
    "signature": "0x8fa9d973f89bfaa6e2c7e8bd800dd27ef1a01e41141519ff44f8b00abb1def786f9319d2608ceb9f397c8f59f301481ab84115547f1ec3e0414bad2bcb352bc21b",
    "signer": "0x73629D714e28008d7F0Fa4D4182e31Fa7828EA27",
    "userId": "563380269"
  }
}