{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x49700198cfe8cc70261539035748673a0b1e839128c1ba0a49cadb32aa1bd5d0",
    "signature": "0xce050eecdd95f41277fae26ee29a1df4c48fd84863da733dfc12d5cc43a233ec72a88ad74722dd05380537ec2185fe1222649c2a7033a27e7405cffb1c8079831b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}