{
  "manageEntity": {
    "action": "Update",
    "entityId": "633873586",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf16b6f2dbae3869f025157da7e4eff56e468d667ecd3ccdb0882f25499f8ff18",
    "signature": "0x206f1a17782acd3d423ffb14cc5377671d56e1618d24d356d4f9b2e774aad96034c31e6eae2421953209f239d7d3e56b3db21c651933be09c05cd0ee7b0bb8ea1c",
    "signer": "0x4c91D7ff58E18f3e4C4e7bF6c5cF428a57d087E4",
    "userId": "633873586"
  }
}