{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xcca181819a43249832b05cbaee1e28139da42e9d9a5f1ebec105d3047b075c48",
    "signature": "0x393e13d880f0ab9276b393c8917dad2ff4ccfdd23e60b6ec250bef907e6fdcb857a968432b82d3338e13c8b7afcee6f92169c7a5a6b0fde381d6f3f60a3e16391c",
    "signer": "0x78fDA3E76Df441AFAd4A8DcB25e004D8707d7007",
    "userId": "644574130"
  }
}