{
  "manageEntity": {
    "action": "Update",
    "entityId": "854203718",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xedc01c2f4e48df864a7f7e50552847304fa9fad7873ea1cfe13d8d7b6272a613",
    "signature": "0xed40975119e767c4b5a7d694b0d54158b928857d7ccf289c8b7c8c2fca8a6e6f3d350ac600881b5b474a448ede702fe1598108e2ba8f91964dc18f6860db734b1c",
    "signer": "0xE7e6B236Bb4AF1D1a2Cae2B841eFCf1798b399d1",
    "userId": "854203718"
  }
}