{
  "manageEntity": {
    "action": "Update",
    "entityId": "104724985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7490102b2661794be0f5309e17a9a011825843b7043b6f67d96270500109b082",
    "signature": "0xb76b14c1e7cbb44c3b90c77da03302b5007b31e9581e8bb0cfc5b79894536ba6506b643a976e688c8df5d8719199790081bd74be0d05b168ef5bb9a3bace5b0d1b",
    "signer": "0xe26C66D5635e0Cfee21F601fAa02c190c7BadE94",
    "userId": "104724985"
  }
}