{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xfd0c18cd01986a23f41dbed4e222bde1dcc08c2ebf5e082b5a95d2aefc8e71da",
    "signature": "0x8cd6d425962edd41a64b88fdff9356e61a7f1d1dd7451fd6a73fb48fad5cbb4178d058948f1cbe27d389ec387a451c4721b1ea6edd8c9ab8e6708384a5cee3311b",
    "signer": "0xAd2eBDd7740D4Bd1181D4161Ad9c187d8A91B587",
    "userId": "470104574"
  }
}