{
  "manageEntity": {
    "action": "Update",
    "entityId": "102548476",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9a96bc1adeaa45fcc4af19fd219330fa693c6bd0a69f19ff85e194e640b848b9",
    "signature": "0x340175f7a8b51e6916f02ce87c41d81989d92322cd00f77d38cbd05af143cd281a9b5a1f0329fa5f1bb7872db251b3c44d994b515037cc0fd53e27524b1a64601b",
    "signer": "0x82cA7Df5542CB66161Dd9E12fb343f69580ed64a",
    "userId": "102548476"
  }
}