{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6b48e604537f7b137370c4a6cf1d9f01515b271c07ede64563f06b28766245da",
    "signature": "0x6aefb17aaf91f4594003ff20bee42e431f16212949950faf27a19f3927ce4e204f926e8fb1002256b86bb4c50f04050ac7daf3573cb0609ef97ea0a1d59bbda41b",
    "signer": "0xc520c1f3E29c7655cE0A5430ea61e53171A29c99",
    "userId": "779243032"
  }
}