{
  "manageEntity": {
    "action": "Update",
    "entityId": "347298928",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb75fc30a6a9dac132e0498e4019f30ca19fb9d70db201d2189d1f15219416d8d",
    "signature": "0x89cdd0b43828c5e0aea875694918c77381e5eeb03cc91f6d0994c450399c8b2005de714750577a6e38e7fdad3d85dfbf2a0739de323cfa40240e044a9f46c1361c",
    "signer": "0x24C88C2fc02E1a583514D82b22060c2FE8e917ef",
    "userId": "347298928"
  }
}