{
  "manageEntity": {
    "action": "Update",
    "entityId": "265785543",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierae2mymvbm5nxpcpdnotzhu3vrba6cntormad6oq3k4puztlu3sycq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1304950666},{\"type\":\"playlist\",\"playlist_id\":524400577}]}}}",
    "nonce": "0x9483a9da2b83d3d00f6f97c533360a9b64aa37955c40cc47a9bbcba34f32f048",
    "signature": "0x0ec3a29cb796b281a4e6c55421aea9d7c1ba2f9a6c87eae69a74139847db126c477d1d215be46671cd9090a9dcd783608a229432c1a7284b0effc251828e91791c",
    "signer": "0xa048a9eAa2305007C5287bf3F96baCA8470F3417",
    "userId": "265785543"
  }
}