{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd0e8395cf6b0744081c3f4b588d553bcb9de4147de8306cb4766b0affba05355",
    "signature": "0xd71df38b00eedf893162b36cdcd019c18dd00d94bdf97ec71410898ba89af6cc7bdcca219252c72ee6e86a66142a8e906ed29b65bf2681468d9fd86ba70945881b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}