{
  "manageEntity": {
    "action": "Update",
    "entityId": "898392047",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaa2da4ecbe554a31d1a10e8108119a69c7abcb95f6d4fae8f950adf95c6c4bef",
    "signature": "0xedffe27f2a100ef2b1d6ff9268017c82d9851a2f42c441f04f9abe62825ef70270ebfbebcb6b53d384c8862562b31b2656828d07543c72c25e5338155a0799ba1c",
    "signer": "0xc5ccCc6C98cF1141E76A95632D7B85C060DCc111",
    "userId": "898392047"
  }
}