{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6a991e0e781cff2d23ec59b06dc64847c86cdbdf53722816d9062429a81e095e",
    "signature": "0x6976df3f410bbe0b82e4ddd79109ffdab11ca00705fa9ac79110676c8e35b17d49f5ed82a4c9a743ffc45f281b61f13a5c41c9d93dd4f667c6feb6ad6ee797d71c",
    "signer": "0xc12E937a36A01243f582476822199fF00E157816",
    "userId": "144291"
  }
}