{
  "manageEntity": {
    "action": "Update",
    "entityId": "30148538",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xda84ff2b18d14517dbc7eb476f6782aa690b70894c4705839fc0f47b5d0bc551",
    "signature": "0x5f7da4f974f87756c7c3e6d771f0339dc24f6a9cb7935f92a9f8d76a204fb901497fdc3fa206a6f49aacecbe56f1ced4d692ba63ea4f0caebba706b9068bbef71b",
    "signer": "0x7262Ab09D337bd92b5e88E576379a2ABFCd9A29a",
    "userId": "30148538"
  }
}