{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x9821e54148ec524ccf7380069d6d45c646f5b6180eeee2764c9d7310d557e8e4",
    "signature": "0xb9e1e31097931751fbc9e900f58483aa71c623df25cbdf8e9f2fda05788103900ad0958cbe5eaa6ffbffccdee0d64bb7c3e1a9808060f7546b8b907166f850f21c",
    "signer": "0x256829F762016ABF70E6a4F1aaE6e00909869aB5",
    "userId": "119465177"
  }
}