{
  "manageEntity": {
    "action": "Update",
    "entityId": "853751261",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xead94d33354b762a409463ade9093cc5b87f5d948b3413c9995fc130935deec9",
    "signature": "0x5d8e7cef1b848abe9f7f21236236fd5ce5a37ad91863d209afa546eddaef3686284288e3da42d0890c4aa1d17ee112ff66bd056225450d2582b2434d77e49ff81b",
    "signer": "0x5a46Af34c77870cb99c297df4BBa09661f3A287b",
    "userId": "853751261"
  }
}