{
  "manageEntity": {
    "action": "Update",
    "entityId": "59254938",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9238c7ce90b616989453e6ad63ad8541e0aa7455e39e504aeb71c74e9179f11c",
    "signature": "0xd67a425cd6623048afc38366d4abc2146e693fc6e7d081525d458a1c9b83fe4867d5feaa4a03b7f1d16a5449ffe1ca1a0f6cd93868dea65c7c3390cb24cd11651b",
    "signer": "0x816FDF40B09F26CA3B886dAD63d3a11775Aad010",
    "userId": "59254938"
  }
}