{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x3e68206e3a49efe21ce0ac5a0b116d4712396bcd\"}",
    "nonce": "0x3e7471c0c563c001507e483d70d50d8496ad1657e5916fe0ee77d508ced574b7",
    "signature": "0xf9876902432224a34cf1409d2e59cecf3964acb1d6c4438cd9e254dc338354146bcf1186cd91797e408585ff47e020e320ee7c9e871a6b3209f3a65546f888051b",
    "signer": "0xd31f26Ff0B6174d1C9F210280Abd5fd80476253e",
    "userId": "808636090"
  }
}