{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6e2ef28e46037ffffc13362726535d4324c98edf3fdc0e46c46a0cb3f4f2c7e9",
    "signature": "0x0d2dd34c228434b34f547c2fb92acfbaf587703db623456237d5b09cffa8f1665b0decea5793af68e839381abd8499f748b79ac906721a16c7b11ab19e16d3bc1c",
    "signer": "0xcd576C8202BF0Fe8b23da989B8C125c5f24398b8",
    "userId": "413433394"
  }
}