{
  "manageEntity": {
    "action": "Update",
    "entityId": "614212580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfe662c84879885670ccf4efd9ac80210cd1afb4c35c978a47b69f8ff2564a22e",
    "signature": "0x95c3ff28e70410ea8cf829e7e53c841ede2ba37a6cc8939b714c3c4fdea3f09b6fc85f9299ace6b46fc0e6114060b9d000e2642cd97f0e86d6a8b3acd1003b981c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}