{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xb6c2498220d526ffab57e6f94bec0b084167d8138e4a43a41805b95f19478a5a",
    "signature": "0x8d98058e0cc559c69e00964c428300b8a3b10832202672f5cbf5e7ea287d474f77d8540fb72f0893fbf0ed497c141d03cc6161b12011ae87a3e646d8e27843421b",
    "signer": "0xE097fd9DF5E86605D708F72FD6D15b6C81BD1d75",
    "userId": "546230291"
  }
}