{
  "manageEntity": {
    "action": "Update",
    "entityId": "259513372",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraioglhwve4aw5qvnvowm6fyv6sv3v4rapx3csm4ypajdsr2qbpaja\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":29595980},{\"type\":\"playlist\",\"playlist_id\":246953637}]}}}",
    "nonce": "0xf49161dd651702b024b0fa85018ca9043a9daf9c9d3da9b604275287e8624991",
    "signature": "0x82144ac7b7b3e9f9bf9375dd310d06f188f324c231bf33e91a6221724506c2774e85186dc611581dc629f6aa84733c5f82ddfeceebe98c9f919f1b8dc17593331b",
    "signer": "0x7deF33625A39F0c82e548F69aa14Db905C001F9B",
    "userId": "259513372"
  }
}