{
  "manageEntity": {
    "action": "Update",
    "entityId": "658774480",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd9bc1b0ce752f0011485137343312bd9a55a58facf5535ffeec8c6686dd5c189",
    "signature": "0x2a2d83d789f399a61104d59ef1fbcef61c80b5794cb761b76dc430fa1231faf02166668145036831d34aacdbf390cf5f63fb1dd6d3b827fe8edbe36c1e37d3c31b",
    "signer": "0xe736f795Ea084d88447ff37bf22dd91c05359319",
    "userId": "658774480"
  }
}