{
  "manageEntity": {
    "action": "Update",
    "entityId": "279084195",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x07023b72c67073c6af07ef1e4724e70c092c29f1b1c453da1c2294cf39ab91ea",
    "signature": "0x56e8ef0f3ba95111c79133ca2957721fa503538065b279ebd4953f96e197b3f05dcdd85e96c7a2de72754e10e890489471179c2caebd84618b396cf3ffdf2b331c",
    "signer": "0x47876366ACBb20DaAC408C422AE6f75Af3969470",
    "userId": "279084195"
  }
}