{
  "manageEntity": {
    "action": "Update",
    "entityId": "113657068",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x74a523b3e0928196a90a92113dc0d9a515ffa75e3b843adf945894cfa6a726be",
    "signature": "0xb5e778f4d1e356ef1db2961629a1bed95ae3c146e812ac10c94eb09adf26f4822b34cf16256c0ee71094fb9607c1f6fcbf110d0b5ffdf5606843384611674bcf1c",
    "signer": "0x4f395E656F6BCAF97d52c129c3ed1CB77d7297Af",
    "userId": "113657068"
  }
}