{
  "manageEntity": {
    "action": "Update",
    "entityId": "627281558",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfce0bad2b0d7b799fef41cf52236bfda78f9775b96268becf2fe1c5425e6b2bf",
    "signature": "0x3da81d151dfb09c0765ef0f6fbf51036a98458b0a0279a2966ae4e7fa5ae079528c3fa1707b517ff34d00bcda4e4a6298b619705ae0f94736f65c05196ea0ef31b",
    "signer": "0x106E1D92286e78b45F3702977CA4615c734Ee29e",
    "userId": "627281558"
  }
}