{
  "manageEntity": {
    "action": "Update",
    "entityId": "606556116",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3rdja4oqwccclilfldosv2k35wl5nnqqiulfm3qwpf5z2beo7fpq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":701702140},{\"type\":\"playlist\",\"playlist_id\":827370585}]}}}",
    "nonce": "0xab8f22cc36d00bd5e78d10051436a4694cbf2cc33df27e1e9828752b18f45701",
    "signature": "0xd98bf6b37c67f94d220464fab1aab7e4803ed599ace27316b63ac4a5d9ce75507db560ea7bff09d87d2976a3a6408889fef8eeb169acacbf41bc4419b982090f1b",
    "signer": "0xDB9B4d6f1Bf3233Cc2db514b94A488eE6a0Ee2Aa",
    "userId": "606556116"
  }
}