{
  "manageEntity": {
    "action": "Update",
    "entityId": "794549042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralmzxzuwrcnwwr2pdgwwloi4wht27urfka5kllaceyhogpeinc3ra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":692976886},{\"type\":\"playlist\",\"playlist_id\":1900372724}]}}}",
    "nonce": "0x1411bd1d6665f7ef04754cafeffc47b6b0b510e3db35dcfa0aa8e756f45527dd",
    "signature": "0xedb6b2e7d5141afb0c86b4c159820558881d177179985145e0f621ec54ec819034c23cd4cfdbbdcfc998793ec04588e78ea9dca2786a53ad1ae2fe101ab7cea61b",
    "signer": "0xDcB9c7a7328fEF969b183B16F413686f370457f3",
    "userId": "794549042"
  }
}