{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf774ce7b74b1784fda0dcd6ec82065245b9b1a3fad132a7dad42ca51212dae1b",
    "signature": "0x775423dc3e65aa787df2e1981b43388fd348ca70ba386f0a5439396354fd43f743dfe85ad54ac03e5db8811b46b97fc2ef79155e317b59276b1e5ce286eb0a9e1c",
    "signer": "0x8aA510760512C48663BC474c9A595BfA0643bA6B",
    "userId": "746053917"
  }
}