{
  "manageEntity": {
    "action": "Update",
    "entityId": "320054654",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xae8aaa936380f0c52f4a741af03d59f912b5268fdba75033c77be32c098ceca7",
    "signature": "0x0a9644ab65ada6de902918e372bf24ad7b6cfd08407953a1cff3e2fd90f131c653d47061e0846d58ca437e95d6b163976a42733c1e8c98fc41001a4b1d9329261c",
    "signer": "0x056b39c7b398b7329E491637E50f88Ed33525F2f",
    "userId": "320054654"
  }
}