{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6fe3346d67f389ed37254b769f9aa74d4f99b1f5d1c0d9eb5a493561644e5eae",
    "signature": "0x677b84f4982f2e8f56078595153468c84b56920a801dff783df5ed17eee411777661432dda886e7ca55af54e87d798cdf0532e9a34469bbeb70dc365c90086bd1c",
    "signer": "0x706DD15EBe862f0e4D1218Cb559A8229219C390B",
    "userId": "444432485"
  }
}