{
  "manageEntity": {
    "action": "Update",
    "entityId": "114035884",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xde9ce1481d8e505bb17d86dedc8c32d6c784091f096f90a6cb99b49de3f863df",
    "signature": "0xb4b3254ccb82ad4daf10798ea13d8931b0349dc08b0e728ade91c5c18fdc82fd464218beb3499c4203c8bab993be385fdd889fd3c3d03350a795a8984fb526f21c",
    "signer": "0xE16A95088dE5386EA421089f192980713fd401aF",
    "userId": "114035884"
  }
}