{
  "manageEntity": {
    "action": "Update",
    "entityId": "181841569",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7cbdd9e2e46e91fc37d2dbc6f9c0d7b392666e8413f3814393ce2f3bb803d8d",
    "signature": "0xaa7c5d232685cf3ecb81d6247760193399aec4f434cdf078330776fafb702a9107dadd89d0398efccab2f07c0b9a10e5119bb95d4bf39377414bba9f66f611d41c",
    "signer": "0x6078B62601acD567Aa5CCEe453f8Dd926441aDcB",
    "userId": "181841569"
  }
}