{
  "manageEntity": {
    "action": "Update",
    "entityId": "133842515",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc12bd99c3f68f4dfdd19fd68ff6efa0762ef97e7e8a1f46b2dc36ab20e6c03d6",
    "signature": "0x9813669e7f19383d5003663f659d435079df20ba70aa6f6c09d3ee3f65cd4fc85d8a74c63a1ff1e6599008416249619631052a035ab69d192bc643c4d7227f171c",
    "signer": "0xc62687f22DF9746879BE3c3424220113Dcc14ca8",
    "userId": "133842515"
  }
}