{
  "manageEntity": {
    "action": "Update",
    "entityId": "170701347",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3cfd0e5417a1271d486ebb69cce1998ca0a88fb96ce70cf712e65be18c8594de",
    "signature": "0x8f2c486a6f79df145f99aeb617ce18f18c2c88e278387f740d2cac290395275321f745882448baf6aa4e062561c848b5e77e56ebb4790fe66f6b1d598380e1391c",
    "signer": "0x8E3D0d0fc92742f415eD0476fab424BDe6C3dcC4",
    "userId": "170701347"
  }
}