{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x3c58dc56535f1507c3198977dc12ee038484a78f393eea8d39262ded088aa216",
    "signature": "0x4fe6d7a4a30c0093fd9eab81129b4f7d6bf4f534f12d63314e708fca46a0129e5a7a2414e033e45152f2dc44424fcbc0c91fd94781b548b913530b476fe8f1ab1b",
    "signer": "0x2c90d9CF6217d3D4a09e9DaBAaD18a0F9F86CBcD",
    "userId": "731780339"
  }
}