{
  "manageEntity": {
    "action": "Update",
    "entityId": "894431219",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfceec457ccf81b75248e3a15ae43d971aa70a4a251363686cff1522a4e519c9a",
    "signature": "0xee11159a580275b4726ccef778385c7a0fc7bf391b156a0aa3b26acc5af432bc04a30b6586a32a1f817d4722cd45fa4842f474c8e232b932b8aa1e534cba5c6f1c",
    "signer": "0x7BecC80331FC470e72A8032bb2d07335c44AF1ad",
    "userId": "894431219"
  }
}