{
  "manageEntity": {
    "action": "Update",
    "entityId": "98061637",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x974338c1b6b9636c49e736eeedacee5528a1201c85bd39d42c0cfc680618cc7e",
    "signature": "0x81db6a244d6fa0db223b6db3ad69b914293c6de7e4e2389ceab0d58c17ea8b1c43a5ad6549f0b68f5269b0867968b81f50fd1d705c8a631be3e7c1bc5ad78d471c",
    "signer": "0x84683b76111c0e04b93499Bdd6801f25531DD5b2",
    "userId": "98061637"
  }
}