{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf597d79d392148a931d0d5447a49c046504585d4f92a68a20ecd566e212c1254",
    "signature": "0x7a9777bc7dcceb4d2028656d0925a26735baaac30760a95ca7c47043c4cf95e2008d179d018a9835ab375c90bbb3d0e042ddcdf2ffde9a8a9c6f7dc0703bfc681b",
    "signer": "0xDc9DAa77E16a5b0347375e5150f411Cc3Ea38A5f",
    "userId": "196004658"
  }
}